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The reason that I'm thinking about spending the money on a better controler is that a good controler will make the car operate smoother then the 3 speeds that the relays give, and a modern controler will use the power stored in the battery pack more efficently, giving my citicar a longer range.
ridding the clutch is going to turn alot of your energy that is stored in heavy lead acid batteries in to heat, it's simple, and would kind of work for very short trips, but then you have a clutch that wears out as well, and automatic tranny is going to have a simaler affect of turning energy in to heat and killing your range.
I rather like the idea of the AC 3 phase controler and brushless motor, it's even more efficent then the controlers that are being talked about here, and even more complex, but it should give both better power, and range, and in an electric car those are things people look for.
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